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Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Trail Ridden Direction

Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.

  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Ridden Direction

The intendid direction a trail should be ridden.

  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed or Major Issue / Red

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Other Other
      No description for Alpine has been added yet! Login or register to submit one.
      Region Details
      • 3
      • 6
      • 20
      • 13
      • 4


      Caution on Nov 1, 2018

      Stats

      Avg Trail Rating
      Global Ranking
      #961
      State Ranking
      #44
      Trails (view details)
      46
      Trails Mountain Bike
      46
      Trails Hike
      33
      Trails Trail Running
      33
      Total Distance
      31 miles
      Total Descent Distance
      20 miles
      Total Descent
      10,037 ft
      Total Vertical
      1,788 ft
      Highest Trailhead
      2,826 ft
      Reports
      10
      Photos
      22
      Ridden Counter
      462
      Sub Regions

      Photos of Alpine Mountain Bike

      29 |
      Jun 16, 2018 @ 3:12pm
      Jun 16, 2018
      Anderson Truck Trail
      22 |
      Dec 27, 2017 @ 11:54pm
      Dec 27, 2017
      California Riding & Hiking...
      22 |
      Dec 27, 2017 @ 11:54pm
      Dec 27, 2017
      14 |
      Dec 27, 2017 @ 11:53pm
      Dec 27, 2017
      California Riding & Hiking...
      14 |
      Dec 27, 2017 @ 11:53pm
      Dec 27, 2017
      11 |
      Dec 27, 2017 @ 11:53pm
      Dec 27, 2017
      California Riding & Hiking...
      11 |
      Dec 27, 2017 @ 11:53pm
      Dec 27, 2017
      more photos »

      Videos of Alpine Mountain Bike

      Fast and Loose
      3:20 | 436 | May 19, 2013
      more videos »

      Alpine Mountain Bike Routes

      titleratingdistance
      Anderson World Cup
      7 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1197023W33bletrailridge to ridgeThese trails are in serious need of some...
      Dec 29, 2017 @ 4:42pm
      Dec 29, 2017
      user #1197023W33bletrailThe RuinsThese trails are in serious need of some...
      Dec 29, 2017 @ 4:42pm
      Dec 29, 2017
      user #1104820Frank26522trailHimmel Canyon Run2 trees have fallen across this trail this winter.
      May 16, 2017 @ 7:40pm
      May 16, 2017
      user #757652SoCal-AMtrailOver the ridge loopYeah it's definitely gotten pretty overgrown...
      Mar 20, 2016 @ 6:35pm
      Mar 20, 2016
      user #1089271johnchasetrailOver the ridge loopThis is really a horse trail and is not...
      Mar 20, 2016 @ 2:25pm
      Mar 20, 2016
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1261559AeroDaveaddridelogJan 19, 2019 ride log and 1 more
      Jan 19, 2019 @ 12:42pm
      1 days
      user #1537563Surfer27addridelogJan 13, 2019 ride log
      Jan 13, 2019 @ 4:17pm
      Jan 13, 2019
      user #1308913gibbys29eraddridelogJan 13, 2019 ride log
      Jan 13, 2019 @ 12:01pm
      Jan 13, 2019
      user #885992ytj1975addridelogJan 13, 2019 ride log
      Jan 13, 2019 @ 9:34am
      Jan 13, 2019
      user #1096561EverthineaddridelogJan 11, 2019 ride log
      Jan 12, 2019 @ 8:47am
      Jan 12, 2019
      view more »

      Nearby Areas

      namedistance
      Wrights Field 6 13 70.9 km
      Anderson 5 6 42 km
      Fanita / Melbrooks Trail System 112.6 km
      Sycamore Canyon OSP 1 6 113 km
      Otay Reservoir 3 713.8 km
      • By SoCal-AM & contributors
      • Admins: SDMBA
      • #8892 - 1,285 views

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